X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ffib%2Ffib_types.h;h=ec7f1b374dd58d624c0f010160d70a7c007af20b;hb=810086d8fd08445919ae03bf36161037e53a712a;hp=c51bc9c07223d634992a1ac5bbbdd161c0846546;hpb=32e1c010b0c34fd0984f7fc45fae648a182025c5;p=vpp.git diff --git a/src/vnet/fib/fib_types.h b/src/vnet/fib/fib_types.h index c51bc9c0722..ec7f1b374dd 100644 --- a/src/vnet/fib/fib_types.h +++ b/src/vnet/fib/fib_types.h @@ -32,9 +32,9 @@ typedef u32 fib_node_index_t; * Protocol Type. packed so it consumes a u8 only */ typedef enum fib_protocol_t_ { - FIB_PROTOCOL_IP4 = 0, - FIB_PROTOCOL_IP6, - FIB_PROTOCOL_MPLS, + FIB_PROTOCOL_IP4 = DPO_PROTO_IP4, + FIB_PROTOCOL_IP6 = DPO_PROTO_IP6, + FIB_PROTOCOL_MPLS = DPO_PROTO_MPLS, } __attribute__ ((packed)) fib_protocol_t; #define FIB_PROTOCOLS { \ @@ -105,10 +105,14 @@ typedef enum fib_forward_chain_type_t_ { FIB_FORW_CHAIN_TYPE_MCAST_IP6, /** * Contribute an object that is to be used to forward Ethernet packets. + */ + FIB_FORW_CHAIN_TYPE_ETHERNET, + /** + * Contribute an object that is to be used to forward NSH packets. * This is last in the list since it is not valid for many FIB objects, * and thus their array of per-chain-type DPOs can be sized smaller. */ - FIB_FORW_CHAIN_TYPE_ETHERNET, + FIB_FORW_CHAIN_TYPE_NSH, } __attribute__ ((packed)) fib_forward_chain_type_t; #define FIB_FORW_CHAINS { \ @@ -119,14 +123,15 @@ typedef enum fib_forward_chain_type_t_ { [FIB_FORW_CHAIN_TYPE_MCAST_IP6] = "multicast-ip6", \ [FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS] = "mpls-neos", \ [FIB_FORW_CHAIN_TYPE_MPLS_EOS] = "mpls-eos", \ + [FIB_FORW_CHAIN_TYPE_NSH] = "nsh", \ } -#define FIB_FORW_CHAIN_NUM (FIB_FORW_CHAIN_TYPE_MPLS_ETHERNET+1) +#define FIB_FORW_CHAIN_NUM (FIB_FORW_CHAIN_TYPE_NSH+1) #define FIB_FORW_CHAIN_MPLS_NUM (FIB_FORW_CHAIN_TYPE_MPLS_EOS+1) #define FOR_EACH_FIB_FORW_CHAIN(_item) \ for (_item = FIB_FORW_CHAIN_TYPE_UNICAST_IP4; \ - _item <= FIB_FORW_CHAIN_TYPE_ETHERNET; \ + _item <= FIB_FORW_CHAIN_TYPE_NSH; \ _item++) #define FOR_EACH_FIB_FORW_MPLS_CHAIN(_item) \ @@ -256,8 +261,8 @@ typedef enum fib_special_type_t_ { for (_item = FIB_TYPE_SPEICAL_FIRST; \ _item <= FIB_SPEICAL_TYPE_LAST; _item++) -extern u8 * format_fib_protocol(u8 * s, va_list ap); -extern u8 * format_vnet_link(u8 *s, va_list ap); +extern u8 * format_fib_protocol(u8 * s, va_list *ap); +extern u8 * format_vnet_link(u8 *s, va_list *ap); /** * Path flags from the control plane @@ -277,8 +282,48 @@ typedef enum fib_route_path_flags_t_ * A for-us/local path */ FIB_ROUTE_PATH_LOCAL = (1 << 2), + /** + * Attached path + */ + FIB_ROUTE_PATH_ATTACHED = (1 << 3), + /** + * A Drop path - resolve the path on the drop DPO + */ + FIB_ROUTE_PATH_DROP = (1 << 4), + /** + * Don't resolve the path, use the DPO the client provides + */ + FIB_ROUTE_PATH_EXCLUSIVE = (1 << 5), + /** + * A path that result in received traffic being recieved/recirculated + * so that it appears to have arrived on the new interface + */ + FIB_ROUTE_PATH_INTF_RX = (1 << 6), + /** + * A local path with a RPF-ID => multicast traffic + */ + FIB_ROUTE_PATH_RPF_ID = (1 << 7), + /** + * A deag path using the packet's source not destination address. + */ + FIB_ROUTE_PATH_SOURCE_LOOKUP = (1 << 8), + /** + * A path via a UDP encap object. + */ + FIB_ROUTE_PATH_UDP_ENCAP = (1 << 9), } fib_route_path_flags_t; +/** + * An RPF-ID is numerical value that is used RPF validate. An entry + * has-a RPF-ID, when a packet egress from (e.g. an LSP) it gains an + * RPF-ID, these two are compared for the RPF check. + * This replaces the interfce based chack (since the LSP has no associated + * interface. + */ +typedef u32 fib_rpf_id_t; + +#define MFIB_RPF_ID_NONE (0) + /** * @brief * A representation of a path as described by a route producer. @@ -301,7 +346,7 @@ typedef struct fib_route_path_t_ { * The protocol of the address below. We need this since the all * zeros address is ambiguous. */ - fib_protocol_t frp_proto; + dpo_proto_t frp_proto; union { /** @@ -312,17 +357,33 @@ typedef struct fib_route_path_t_ { */ ip46_address_t frp_addr; - /** - * The MPLS local Label to reursively resolve through. - * This is valid when the path type is MPLS. - */ - mpls_label_t frp_local_label; + struct { + /** + * The MPLS local Label to reursively resolve through. + * This is valid when the path type is MPLS. + */ + mpls_label_t frp_local_label; + /** + * EOS bit for the resolving label + */ + mpls_eos_bit_t frp_eos; + }; + }; + union { + /** + * The interface. + * Will be invalid for recursive paths. + */ + u32 frp_sw_if_index; + /** + * The RPF-ID + */ + fib_rpf_id_t frp_rpf_id; + /** + * UDP encap ID + */ + u32 frp_udp_encap_id; }; - /** - * The interface. - * Will be invalid for recursive paths. - */ - u32 frp_sw_if_index; /** * The FIB index to lookup the nexthop * Only valid for recursive paths. @@ -331,7 +392,13 @@ typedef struct fib_route_path_t_ { /** * [un]equal cost path weight */ - u32 frp_weight; + u8 frp_weight; + /** + * A path preference. 0 is the best. + * Only paths of the best preference, that are 'up', are considered + * for forwarding. + */ + u8 frp_preference; /** * flags on the path */ @@ -351,4 +418,21 @@ typedef struct fib_route_path_encode_t_ { dpo_id_t dpo; } fib_route_path_encode_t; +/** + * return code to control pat-hlist walk + */ +typedef enum fib_path_list_walk_rc_t_ +{ + FIB_PATH_LIST_WALK_STOP, + FIB_PATH_LIST_WALK_CONTINUE, +} fib_path_list_walk_rc_t; + +/** + * A list of path-extensions + */ +typedef struct fib_path_ext_list_t_ +{ + struct fib_path_ext_t_ *fpel_exts; +} fib_path_ext_list_t; + #endif